Letters from Charles Kingsley to Philip Lutley Sclater regarding naturalists in Denver, Colorado, specimens for the Zoological Society of London, and the paper of the ex-governor of Trinidad
Letters from Christian Ferdinant Friedrich Krauss to Philip Lutley Sclater
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis
Letters from Arthur Walden, Marquess of Tweedale, to Philip Lutley Sclater regarding an offer from the Duke of Wellington of two male llamas, Fellowship of the Zoological Society of London, specimens of an insect, and subscriptions to the Society
Letter from Harrison William Weir to Philip Lutley Sclater regarding the Gardens of the Zoological Society of London
Letter from Henry Laurence Whateley to Philip Lutley Sclater regarding his subscription to the Zoological Society of London
Letter from W Whitaker to Philip Lutley Sclater regarding the well at the Gardens of the Zoological Society of London
Letter from Alfred Thomas Williams to Philip Lutley Sclater regarding the feeding of live animals to reptiles at the Gardens of the Zoological Society of London
Letter from Philip Lutley Sclater to John Wodehouse, Earl of Kimberley, regarding smoking in the Gardens of the Zoological Society of London
Letter from Sir Arthur Pendarves Vivian to Philip Lutley Sclater regarding the opening of the Gardens of the Zoological Society of London on a Sunday